See Also

Pandora's recent IPO is a good reminder that the tech industry is sometimes a game of attrition.

The company was founded in 1999 and struggled for years -- founder Tim Westergren went through more than 300 failed pitches to VCs and the company was essentially broke for more than two years. But Westergren and his investors persevered and Pandora is now worth more than $2 billion on the market.

But Pandora is not the only example: here are 10 companies that were founded during the Web 1.0 era and have survived long enough to cash in on the current boom.